SUMARNO. Pengelolaan Kinerja Guru Bersertifikat Pendidik di SMK PGRI 1 Surakarta. Journal of Profession Education, [S. l.], v. 1, n. 2, p. 34–42, 2021. DOI: 10.53088/jpe.v1i2.2102. Disponível em: https://journal.nurscienceinstitute.id/index.php/jpe/article/view/2102. Acesso em: 9 oct. 2025.